---> uname -a: Linux prd-centos8-docker-4c-4g-1663.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2799.998 BogoMIPS: 5599.99 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 11G 70G 14% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 753 12094 19 2913 14670 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:1c:df:11 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.81/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86121sec preferred_lft 86121sec inet6 fe80::f816:3eff:fe1c:df11/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e4:ae:78:69 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/21/2026 _x86_64_ (4 CPU) 13:22:25 LINUX RESTART (4 CPU) 01:23:01 PM tps rtps wtps bread/s bwrtn/s 01:24:01 PM 119.21 2.78 116.43 1645.18 9168.73 01:25:01 PM 239.86 18.13 221.73 2644.56 17618.86 01:26:01 PM 24.68 0.52 24.16 16.53 1936.01 01:27:01 PM 60.72 1.63 59.09 122.91 9668.52 Average: 111.15 5.77 105.38 1107.64 9599.68 01:23:01 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:24:01 PM 13102064 15136340 3037256 18.82 2688 2242524 1063544 6.19 144080 2508844 247892 01:25:01 PM 11608352 13993508 4530968 28.07 2688 2585940 2065816 12.02 242328 3864616 49032 01:26:01 PM 11368900 13756560 4770420 29.56 2688 2588204 2317084 13.48 254552 4088816 36 01:27:01 PM 12375380 15013272 3763940 23.32 2688 2836084 1127692 6.56 538316 2802080 8344 Average: 12113674 14474920 4025646 24.94 2688 2563188 1643534 9.56 294819 3316089 76326 01:23:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:24:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:24:01 PM eth0 163.86 109.88 1750.86 19.26 0.00 0.00 0.00 0.00 01:24:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 01:25:01 PM eth0 351.60 272.16 4141.30 52.68 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 25.76 25.76 5.15 5.15 0.00 0.00 0.00 0.00 01:26:01 PM eth0 28.91 16.01 14.38 18.64 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 PM lo 2.90 2.90 0.91 0.91 0.00 0.00 0.00 0.00 01:27:01 PM eth0 76.89 83.60 283.58 937.04 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 7.20 7.20 1.52 1.52 0.00 0.00 0.00 0.00 Average: eth0 155.36 120.45 1548.08 256.85 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 07/21/2026 _x86_64_ (4 CPU) 13:22:25 LINUX RESTART (4 CPU) 01:23:01 PM CPU %user %nice %system %iowait %steal %idle 01:24:01 PM all 17.19 0.00 1.84 1.39 0.08 79.50 01:24:01 PM 0 20.44 0.00 2.14 1.26 0.10 76.07 01:24:01 PM 1 30.82 0.00 2.64 1.98 0.08 64.48 01:24:01 PM 2 9.70 0.00 1.56 2.08 0.08 86.58 01:24:01 PM 3 7.75 0.00 1.02 0.25 0.05 90.93 01:25:01 PM all 48.25 0.00 2.61 1.47 0.13 47.55 01:25:01 PM 0 43.97 0.00 3.44 1.35 0.12 51.11 01:25:01 PM 1 44.63 0.00 2.16 1.49 0.13 51.58 01:25:01 PM 2 53.30 0.00 1.69 0.84 0.12 44.06 01:25:01 PM 3 51.07 0.00 3.13 2.21 0.13 43.46 01:26:01 PM all 19.94 0.00 0.63 0.20 0.07 79.16 01:26:01 PM 0 25.40 0.00 0.33 0.02 0.07 74.18 01:26:01 PM 1 12.07 0.00 1.09 0.15 0.07 86.63 01:26:01 PM 2 26.07 0.00 0.33 0.00 0.08 73.51 01:26:01 PM 3 16.21 0.00 0.75 0.63 0.07 82.34 01:27:01 PM all 24.36 0.00 2.03 0.31 0.08 73.22 01:27:01 PM 0 35.71 0.00 2.15 0.55 0.08 61.50 01:27:01 PM 1 14.96 0.00 1.54 0.17 0.08 83.25 01:27:01 PM 2 19.05 0.00 1.86 0.13 0.08 78.87 01:27:01 PM 3 27.68 0.00 2.59 0.38 0.08 69.27 Average: all 27.43 0.00 1.78 0.84 0.09 69.86 Average: 0 31.38 0.00 2.02 0.79 0.09 65.71 Average: 1 25.62 0.00 1.86 0.95 0.09 71.49 Average: 2 27.05 0.00 1.36 0.76 0.09 70.74 Average: 3 25.67 0.00 1.87 0.87 0.08 71.50